Put Shingles Over Old Roof

Step 3 cover the old shingles.

Put shingles over old roof.

Is it okay to put the new shingles right over the old ones. Why not add new roof shingles over old. If you haven t noticed yet we are not fans of shingle overs not at all. Use 1 5 or 1 75 inch roofing nails.

Damaged shingles should be removed to check the decking for problems. We don t recommend them nor do we do them. Doing it now will make it easier to keep the reroofing job clean. Shingles are designed for flat surfaces.

The felt should be secured every six inches with nails or staples. Use a flat pry bar. We discuss the nesting method which helps minimize an uneven appear. They don t do a good job of bridging over gaps dips or humps including the.

How to do it remove caps. Hope you like it. Does it cost more to tear off. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles.

As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. If a shingle is. Over the years we ve seen problems caused by shingle overs. In this video we provide details on how to install roof shingles over existing shingles.

Roofing over your existing roof is not worth it. Has the same manufacturer s warranty. Manufacturers will still warranty the roof for the same amount of time as a re roof as long as it s done by a qualified installer. Damaged decking will need to be repaired before you can install any new shingles.

Here is a video on how we lay a second layer of asphalt shingles over existing asphalt shingles. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of. Installing a new roof over shingles takes less time than tearing off the old roof. Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place.

Looks just as good and lasts as long. Install a layer of roofing felt over the roof before you begin installing the new shingles. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below.